CA1051500A - Canon electronique avec lentille de focalisation electrostatique a champ agrandi - Google Patents

Canon electronique avec lentille de focalisation electrostatique a champ agrandi

Info

Publication number
CA1051500A
CA1051500A CA231,335A CA231335A CA1051500A CA 1051500 A CA1051500 A CA 1051500A CA 231335 A CA231335 A CA 231335A CA 1051500 A CA1051500 A CA 1051500A
Authority
CA
Canada
Prior art keywords
potential
relatively
supply voltage
electrode
electron
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA231,335A
Other languages
English (en)
Inventor
James W. Schwartz
Allen P. Blacker (Jr.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zenith Electronics LLC
Original Assignee
Zenith Radio Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zenith Radio Corp filed Critical Zenith Radio Corp
Application granted granted Critical
Publication of CA1051500A publication Critical patent/CA1051500A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/58Arrangements for focusing or reflecting ray or beam
    • H01J29/62Electrostatic lenses

Landscapes

  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
CA231,335A 1974-08-02 1975-07-14 Canon electronique avec lentille de focalisation electrostatique a champ agrandi Expired CA1051500A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/494,123 US3995194A (en) 1974-08-02 1974-08-02 Electron gun having an extended field electrostatic focus lens

Publications (1)

Publication Number Publication Date
CA1051500A true CA1051500A (fr) 1979-03-27

Family

ID=23963137

Family Applications (1)

Application Number Title Priority Date Filing Date
CA231,335A Expired CA1051500A (fr) 1974-08-02 1975-07-14 Canon electronique avec lentille de focalisation electrostatique a champ agrandi

Country Status (5)

Country Link
US (1) US3995194A (fr)
JP (1) JPS581501B2 (fr)
CA (1) CA1051500A (fr)
DE (1) DE2534912C2 (fr)
GB (1) GB1522152A (fr)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5522906B2 (fr) * 1974-05-20 1980-06-19
US4168452A (en) * 1976-06-10 1979-09-18 Zenith Radio Corporation Tetrode section for a unitized, three-beam electron gun having an extended field main focus lens
US4075531A (en) * 1977-01-03 1978-02-21 Zenith Radio Corporation Base-socket system with arc prevention means
US4368405B1 (en) * 1977-11-22 1995-10-24 Tokyo Shibaura Electric Co Electron gun for a cathode ray tube
JPS5489472A (en) * 1977-12-27 1979-07-16 Toshiba Corp Electron gun for cathode-ray tube
JPS5480666A (en) * 1977-12-09 1979-06-27 Mitsubishi Electric Corp Electron gun
US4318027A (en) * 1978-04-12 1982-03-02 Rca Corporation High potential, low magnification electron gun
AU4515779A (en) * 1978-04-12 1979-10-18 Rca Corp. Electron gun
US4172309A (en) * 1978-07-21 1979-10-30 Zenith Radio Corporation Method of correcting deflection defocusing in self-converged color CRT display systems
US4326762A (en) * 1979-04-30 1982-04-27 Zenith Radio Corporation Apparatus and method for spot-knocking television picture tube electron guns
US4288718A (en) * 1979-05-24 1981-09-08 Zenith Radio Corporation Means and method for beam spot distortion compensation in TV picture tubes
JPS55163752A (en) * 1979-06-08 1980-12-20 Matsushita Electronics Corp Picture tube
JPS563948A (en) 1979-06-22 1981-01-16 Hitachi Ltd Electrostatic focusing type pickup tube
US4253041A (en) * 1979-08-16 1981-02-24 Zenith Radio Corporation Extended field electron gun having a synthesized axial potential
US4243912A (en) * 1979-08-28 1981-01-06 Rca Corporation Simplified resistive lens electron gun with compound linear voltage profile
US4243911A (en) * 1979-08-28 1981-01-06 Rca Corporation Resistive lens electron gun with compound linear voltage profile
US4334170A (en) * 1979-09-28 1982-06-08 Zenith Radio Corporation Means and method for providing optimum resolution of T.V. cathode ray tube electron guns
US4318026A (en) * 1980-04-30 1982-03-02 Rca Corporation Method of making a grid for a cathode-ray tube electron gun
US4469987A (en) * 1981-10-23 1984-09-04 Zenith Electronics Corporation Means for enhancing brightness of a monochrome CRT without loss of resolution
US4540916A (en) * 1981-10-30 1985-09-10 Nippon Hoso Kyokai Electron gun for television camera tube
NL8204185A (nl) * 1982-10-29 1984-05-16 Philips Nv Kathodestraalbuis.
EP0152933B1 (fr) * 1984-02-20 1988-03-02 Kabushiki Kaisha Toshiba Canon à électrons
US4701678A (en) * 1985-12-11 1987-10-20 Zenith Electronics Corporation Electron gun system with dynamic focus and dynamic convergence
JP2645063B2 (ja) * 1988-03-17 1997-08-25 株式会社東芝 カラー受像管装置
US5036258A (en) * 1989-08-11 1991-07-30 Zenith Electronics Corporation Color CRT system and process with dynamic quadrupole lens structure
US5043625A (en) * 1989-11-15 1991-08-27 Zenith Electronics Corporation Spherical aberration-corrected inline electron gun
KR940008156Y1 (ko) * 1992-05-19 1994-11-23 박경팔 칼라 음극선관용 전자총
US5394054A (en) * 1993-07-19 1995-02-28 Chunghwa Picture Tubes, Ltd. Electron gun with electrostatic shielding and method of assembly therefor
AU6335400A (en) 1999-07-02 2001-01-22 Fusion Lighting, Inc. High output lamp with high brightness
US8592761B2 (en) * 2011-05-19 2013-11-26 Hermes Microvision Inc. Monochromator for charged particle beam apparatus
US8274046B1 (en) * 2011-05-19 2012-09-25 Hermes Microvision Inc. Monochromator for charged particle beam apparatus
JP6466020B1 (ja) 2018-10-16 2019-02-06 株式会社Photo electron Soul 電子銃、電子線適用装置、電子銃による電子射出方法、および、電子ビームの焦点位置調整方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2227034A (en) * 1937-08-30 1940-12-31 Loewe Radio Inc Cathode ray tube
FR1127986A (fr) * 1955-06-16 1956-12-28 Csf Perfectionnement aux canons électroniques des tubes à mémoire
US2971118A (en) * 1958-11-10 1961-02-07 Sylvania Electric Prod Electron discharge device
US3090882A (en) * 1960-04-13 1963-05-21 Rca Corp Electron gun
US3411029A (en) * 1966-04-04 1968-11-12 Richard D. Karr Color television picture tube
JPS4818674B1 (fr) * 1969-04-24 1973-06-07
JPS5040509B1 (fr) * 1970-01-30 1975-12-24
JPS5726286Y2 (fr) * 1972-10-09 1982-06-08

Also Published As

Publication number Publication date
GB1522152A (en) 1978-08-23
JPS581501B2 (ja) 1983-01-11
US3995194A (en) 1976-11-30
JPS5176072A (en) 1976-07-01
DE2534912C2 (de) 1984-03-15
DE2534912A1 (de) 1976-02-19

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